Treatment of a patient with aconitine poisoning using veno-arterial membrane oxygenation: A case report

Table 1 Changes in circulatory parameters with extracorporeal membrane oxygenation involvement

	19:00 September 8, 2022	20:00 September 8, 2022	20:30 September 8, 2022	21:00 September 8, 2022	22:00 September 8, 2022	22:31 September 8, 2022	22:41 September 8, 2022	23:00 September 8, 2022
ECMO rotational speed (r/min)	2000	2000	2000	2000	2000	2000	2000	2800
Flow rate (L/min)	1.02	1.03	-	1.50	1.92	1.01	-	2.72
Heart rate (bpm)	138	142	138	142	106	132	73	84
Cardiac rhythm	Sinus rhythm	Ventricular tachycardia	Ventricular tachycardia	Ventricular tachycardia	Sinus rhythm	Ventricular tachycardia	Sinus rhythm	-
Invasive arterial blood pressure (mmHg)	142/90	132/82	-	146/89	106/92	-	-	100/81
Cardiac ultrasound	-	-	-	-	-	Electromechanical dissociation	-	No apparent effective contractions

ECMO: Extracorporeal membrane oxygenation.

Table 2 Changes in circulatory parameters with extracorporeal membrane oxygenation involvement

	9:00 September 9, 2022	10:00 September 9, 2022	12:00 September 9, 2022	13:00 September 9, 2022	16:00 September 9, 2022	17:00 September 9, 2022	16:00 September 10, 2022	7:00 September 11, 2022	8:00 September 11, 2022
ECMO rotational speed (r/min)	3000	3000	3000	3000	3000	1800	1700	1500	1200
Flow rate (L/min)	2.47	2.37	2.54	2.21	2.50	1.42	1.62	1.59	1.10
	47	151	105	97	50	87	64	104	65
Heart rate (bpm)	Sinus bradycardia	Atrial fibrillation	Sinus tachycardia	Sinus rhythm	Ventricular bradycardia	Sinus rhythm	Ventricular tachycardia	Sinus rhythm	-
	80/47	82/58	139/91	142/81	83/55	111/61	127/67	144/68	99/55
Cardiac rhythm	Weak cardiac contractions	No apparent effective contractions	No apparent effective contractions	Mild recovery of cardiac contractions	No apparent effective contractions	Cardiac contractility recovery	Cardiac contractility recovery	Cardiac contractility recovery	Cardiac contractility recovery

ECMO: Extracorporeal membrane oxygenation.